Super MultiDrills WGS Type
■ General Features The J flutes of the Super MultiDrill WGS have been tuned for improved chip breaking capabilities during drilling of thin sheets. Excellent sharpness prevents work hardening from drilling. The special double margin structure also achieves stable hole diameter accuracy.
J
■ Features and Applications J flutes (groove shape) have been tuned to create a specialized shape for drilling of thin sheets. The special double margin structure also achieves stable hole diameter accuracy.
Special double margin
Special cutting edge shape
Optimized groove shape
■ Target Workpieces
[Common automotive components] ·Bearing hub (inner and outer rings) ·Knuckle ·Differential ring ·Components such as bolt holes in automobile flange parts
1.5D or less
Drilling of thin sheets (thickness 1.5D or less)
■ Cutting Performance
Ɣ Reduces hardening of the workpiece surface during drilling
Work Material: S53C Cutting Conditions: v
Conventional Tool Tool Life Judgment Line
WGS Type
400
c =230 SFM,
f =0.008 IPR
H =0.512”
After 500 pcs.
After 1,000 pcs.
300
No. of Workpieces (pcs)
0
500
1,000
Ɣ Stable hole expansion tolerance
Ɣ Better chip breaking capabilities
0.05
Entry
Intermediate
Through
0.04
0.03
0.02
0.01
0.00
3 100 200 300 400 500 600 700 800 900 1,000 1,100
Conventional Tool
WGS Type
Conventional single margin product
Double margin WGS Type
Work Material: SUJ2 Cutting Conditions: v c =262 SFM, f =0.01 IPR H =.512”
Work Material: S50C Cutting Conditions: v c =262 SFM, f =0.01 IPR H =0.630”
J56
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